Finding the Fourth Proportional to 1,407,084.82, 2,113,451.34 and 839,573.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407,084.82 : 2,113,451.34 = 839,573.20 : x
2. Step 2: Convert to fraction form
   1,407,084.82/2,113,451.34 = 839,573.20/x
3. Step 3: Cross multiply
   1,407,084.82x = 2,113,451.34 × 839,573.20
4. Step 4: Simplify right side
   1,407,084.82x = 1,774,397,104,568.09
5. Step 5: Solve for x
   x = 1,774,397,104,568.09/1,407,084.82
6. Step 6: Final answer
   x = 1,261,044.88